校园网python认证

认证采用的是get的方式，参数大家可以根据自己校园网情况更改。

import requests
import socket
import json
import os

def get_local_ip():
    try:
        with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
            s.connect(("8.8.8.8", 80))  # 连接到Google公共DNS
            return s.getsockname()[0]
    except Exception as e:
        print(f"获取本地 IP 地址时出错: {e}")
        return None

def get_isp_suffix(isp_choice):
    if isp_choice == '1':
        return '@kjxydx'  # 电信
    elif isp_choice == '2':
        return '@kjxyyd'  # 移动
    elif isp_choice == '3':
        return '@kjxylt'  # 联通
    else:
        print("无效的选择。")
        return None

def save_credentials(data):
    with open('credentials.json', 'w') as f:
        json.dump(data, f, ensure_ascii=False, indent=4)

def load_credentials():
    if os.path.exists('credentials.